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UTCLP2950 Dataheets PDF



Part Number UTCLP2950
Manufacturers Unisonic Technologies
Logo Unisonic Technologies
Description 100 mA LOW-DROPOUT VOLTAGE REGULATOR
Datasheet UTCLP2950 DatasheetUTCLP2950 Datasheet (PDF)

UTC LP2950/2951 LINEAR INTEGRATED CIRCUIT 100 mA LOW-DROPOUT VOLTAGE REGULATOR DESCRIPTION The UTC LP2950/2951 is a monolithic integrated voltage regulator with low dropout voltage, and low quiescent current. It includes many features that suitable for different applications. Available in 3-pin TO-92, DIP-8 and SOP-8 packages. 1 TO-92 SOP-8 FEATURES *High accuracy 2.5, 3.0, 3.3, 3.6 or 5V fixed output for TO-92, SOP-8 package. *Extremely low quiescent current and dropout voltage. *Extremel.

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UTC LP2950/2951 LINEAR INTEGRATED CIRCUIT 100 mA LOW-DROPOUT VOLTAGE REGULATOR DESCRIPTION The UTC LP2950/2951 is a monolithic integrated voltage regulator with low dropout voltage, and low quiescent current. It includes many features that suitable for different applications. Available in 3-pin TO-92, DIP-8 and SOP-8 packages. 1 TO-92 SOP-8 FEATURES *High accuracy 2.5, 3.0, 3.3, 3.6 or 5V fixed output for TO-92, SOP-8 package. *Extremely low quiescent current and dropout voltage. *Extremely tight load and line regulation. *Current and thermal limiting. *Very low temperature coefficient. *Logic controlled shutdown and error flag available for DIP and SOP package. *Output voltage programmable for DIP and SOP package. DIP-8 APPLICATIONS *Battery powered equipment. *High efficient linear regulator down to 1.24V. *Cellular phones. ORDERING INFORMATION PART NUMBER UTC LP2950-5.0 UTC LP2950-3.0 UTC LP2950-3.3 UTC LP2950-3.6 UTC LP2950-2.5 UTC LP2950-5.0 UTC LP2950-3.0 UTC LP2950-3.3 UTC LP2951 UTC LP2951 TEMPERATURE RANGE -40 ~ +125°C -40 ~ +125°C -40 ~ +125°C -40 ~ +125°C -40 ~ +125°C -40 ~ +125°C -40 ~ +125°C -40 ~ +125°C -40 ~ +125°C -40 ~ +125°C PACKAGE 3-Pin TO-92 plastic 3-Pin TO-92 plastic 3-Pin TO-92 plastic 3-Pin TO-92 plastic 3-Pin TO-92 plastic 8-Pin SOP-8 plastic 8-Pin SOP-8 plastic 8-Pin SOP-8 plastic 8-Pin SOP-8 plastic 8-Pin DIP-8 plastic ACCURACY 2.0% 1.0% 1.0% 2.0% 1.0% 2.0% 1.0% 1.0% 2.0% 2.0% UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R102-001,E UTC LP2950/2951 PIN CONFIGURATIONS LINEAR INTEGRATED CIRCUIT UTC LP2950 1 2 3 OUTPUT GND INPUT TO-92 Plastic Package Bottom View OUTPUT SENSE SHUTDOWN 1 2 8 7 6 5 INPUT FEEDBACK 5V TAP 3 4 UTC LP2951 GND ERROR SOP-8 OR DIP-8 PACKAGE FOR UTC LP2951 OUTPUT NC SHUTDOWN 1 2 8 7 6 5 INPUT NC NC 3 4 UTC LP2950 GND ERROR SOP-8 OR DIP-8 PACKAGE FOR UTC LP2950 Fig.1 UTC UNISONIC TECHNOLOGIES CO., LTD. 2 QW-R102-001,E UTC LP2950/2951 BLOCK DIAGRAM LINEAR INTEGRATED CIRCUIT UNRAGULATED DC FEEDBACK 7 INPUT 8 OUTPUT 1 5V 150mA MAX. SENSE 182kΩ 2 6 1.5 µ F FROM CMOS OR TTL SHUT DOWN 3 ERROR AMPLIFIER 60mV 5V TAP 330KΩ 60kΩ ERROR DETECTION COMPARATOR ERROR 5 TO CMOS OR TTL 1.23 REF GND 4 FOR UTC LP2951 ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Feedback Voltage Shutdown Voltage Comparator Output Voltage Storage Temperature Operating Junction Temperature SYMBOL Vcc Vfeedback Vshutdown Vco Tstr Tj VALUE -0.3~+18 -1.5~+18 -0.3~+18 -0.3~+18 -65~+150 -40~+125 UNIT V V V V °C °C UTC UNISONIC TECHNOLOGIES CO., LTD. 3 QW-R102-001,E UTC LP2950/2951 LINEAR INTEGRATED CIRCUIT TYP. 2.5 3.0 3.3 3.6 5.0 2.5 3.0 3.3 3.6 5.0 2.5 3.0 3.3 3.6 5.0 MAX. 2.53 3.03 3.33 3.67 5.10 2.53 3.03 3.33 3.67 5.10 2.53 3.03 3.33 3.67 5.10 100 0.1 0.1 80 450 120 12 170 200 0.2 0.2 150 600 140 14 200 220 430 160 100 ELECTRICAL CHARACTERISTICS (Tested at Tj=25°C,VIN=6V,IL=100µA and CL=1µF, unless otherwise specified) PARAMETER PART NUMBER TEST CONDITION MIN..


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